{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "451267",
    "entityType": "User",
    "nonce": "0x1543d8f62365bd466a5c94bfac70ce4bcc9a701d8ef5da28d23430caf17f7613",
    "signature": "0x221be3720c7d575348deba813958e9521f691b0f1d111b0de441c333280ce1053591935e0ca315b2e3573197a97f554109192216c16b9ae054d1b37ff8b484251c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}