{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27669",
    "entityType": "User",
    "nonce": "0x0c1a96630d5e4e77d8de33d49475ff06ac3d16cfcbc2dd9e539d549d2dbcc78e",
    "signature": "0xc25091b2d4456c9ce451cab6039e144549be5f12e365be871178cd197c48b01753b2bd15e17a323b8ccd93c5396f04e7055e029f8f9da3c250d5d721d8b643411c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}