{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165951",
    "entityType": "User",
    "nonce": "0x3bd8bcddb6731c1907023e3372c1a2087bd0e86b5c857dac7296c65c30194fd8",
    "signature": "0xc44f96217b928638dbb56b49c35254d9d8b7e090724f0561651cda68e2b50e810321c80bf1b41c199c570b100055b7493c8b7af3c3d343a6e9c06c368c631d9f1c",
    "signer": "0x1815853A3D3f5b8c2490bD12f96176a3a4Db22b1",
    "userId": "957405762"
  }
}