{
  "manageEntity": {
    "action": "Update",
    "entityId": "905949957",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraodwlsiv6vvaldeqjnjdaffrwpczdfjtirqin6bpb3w3n5vdihnxq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1532847939},{\"type\":\"playlist\",\"playlist_id\":1815158512},{\"type\":\"playlist\",\"playlist_id\":744542377},{\"type\":\"playlist\",\"playlist_id\":1953638156},{\"type\":\"playlist\",\"playlist_id\":510842506}]}}}",
    "nonce": "0x88566e7fcf2fe9d28150d14d66b54a76d635952c8d3fb30c3643186f563c2440",
    "signature": "0x3008f6474de88607edf9f1a8a033132cc12c46dc563b1b34175f2fc650c8c9d26b5aa8353bc2187d78f998d129002d01b073db970792cdf8fe69838663c549d71b",
    "signer": "0x14e861213c177069eC5926e5257A6cf9E6Cb309a",
    "userId": "905949957"
  }
}