{
  "manageEntity": {
    "action": "Update",
    "entityId": "262716309",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x131bab002a6f8e228e70673c4e285ed74f0018d49456f98d497cd73079c3d2a4",
    "signature": "0xc44403e1708867540760690f2ef29ba61728b70b084ff740265d1b898311e9207f1035476bd08f2f5f07dcffe0e54c8e4f5abe149fa6c910a74ca1dfe44210011b",
    "signer": "0x1bD2c48983DB867274B2DF2f448bdaE20549f7CE",
    "userId": "262716309"
  }
}