{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584616263",
    "entityType": "User",
    "nonce": "0xb7387f906066d899b70311a16d64635ba75149badb655d0ab63905b71c85e0ba",
    "signature": "0x42f79b80d3adf5791b4b54199a9e18e4ac93b3a02efeceae9cddf1ef7c44b2696e9337f0d20e68e621f6527e12f06f89f02e0ccb3449607699dbb06e25c1a1211b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}