{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "451786021",
    "entityType": "User",
    "nonce": "0x72373c05b153d4e65122d505c2bfbe53725a98886a963c7642971a8f488408e7",
    "signature": "0x70b8415aa88c5e45ee188f24ce80a8a997c981323cb6bcbfe61626a07ea7a35a58ca44eb213f6befc6bd8dc2064ecb5cfccca75b710b52740a8a8c2735933b2e1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}