{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "910230843",
    "entityType": "User",
    "nonce": "0x6cc03b2f601cd073da4127bf5bfb9730cba042409f9bffe3e50909b31dae647b",
    "signature": "0x58f4e3d3a90d7521047f30c9313d250fb720ccdb08897f13b05e55b0deb5df4113700290a7f0be4fba89eb16d803c3c5f1dcdb3f1c040c89875255c1979980681b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}