{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165001",
    "entityType": "User",
    "nonce": "0x787aa3e93dfd7867dea66f717239daf87a505a6e91fc4700cad9b90c74e1b986",
    "signature": "0xc8d46b42c9b11c9e239efacd40f7976a2ada3ed292a781390a5156b7647762fb7548a4c48170ec87fbc1c0b5dde40e9db95612272ed3cb0dd09fdd2535efb1a21b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}