{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x59d083ed732aa1ca15a432986f8ed0a64bc9984ae9f2c4226d10a518fbb2924d",
    "signature": "0xa02c80534d61df4e66832ba71e65227c4795787dc64f3c130a2a424a92c42a8e10e88529b686c8115212618873162db91104a1cc542fe8d90f74c8ecdc79c37f1c",
    "signer": "0x736e2A23247035282309e80E490726b1475E6A03",
    "userId": "311731878"
  }
}