{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205346",
    "entityType": "User",
    "nonce": "0xbd369bab018b728e9f3e0ddfd70f96a9acfe26d740ba6371aa8e4a654b313670",
    "signature": "0x438178704f2c9fff8a90bae28dc46c5000459aca9ae727d278a3bedcdb0af21844494c54b691d4cc17fbdd5817002b893593428d33c1c08ffa936bfc05c971931b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}