{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1791962",
    "entityType": "User",
    "nonce": "0x1691b0f9e4682652f8ebefc1470be24ebe8012cb2d1b8020bb2c1198c74f3a58",
    "signature": "0x75d7b6b3cee359f9bff19c9e9a6b6dd24ef68c0cbbbcdf66001d9e2254880a3d51a1ec8d84f4f58020d596db4415f5015247b27a53b9c316373899baea5c45e11b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}