{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "993204852",
    "entityType": "User",
    "nonce": "0xd530e8fc5f269ee795af57b140f4b411472387743e58dab5d09a1b5dc59cbfdb",
    "signature": "0xb4b92ca2ff72981d0d19159c023ed0d71c0d5a4ba94a0d8a65f2038f32b86ab51c3720446b4c0b3543b045f6283218a9b1d00d20a459d63188c3ce1569bd2f401c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}