{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x19922e202198eec01c06cf5b1fd5bc7b11ff2a080ec8a5073ef3252fd0c0f525",
    "signature": "0x92662abb9463f60b70f7b582b2e341c25c54ff3097848138c80de6ca88a47f67511d561c92f4d686b96a44ffd387de01a1a551257dc936920242f84fbf8607e11c",
    "signer": "0x73aBd59a92cb50DD72C1aB09Fc2dc8b80c0DA9Ca",
    "userId": "205422552"
  }
}