{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42634173",
    "entityType": "User",
    "nonce": "0x8a0e85393dba113815031916babb7b039bc20f4ea0e40c590e09d8455127eb9a",
    "signature": "0xc2ecddcd7141f47a5cf184f473b494d72fdaf96fe1fd5b1b9e586fd236f240e811c5a98e8d730791c4f5af1bb1c21f868879b12a2c3ad7f1970e555f907c9df71c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}