{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xee8d956ce45710237690a3c880bd1753377ec889b92399a96919a34e14f05607",
    "signature": "0xe3de27f0701a73836a962c7604a4db9b0e80cd68171378e30a27774ceeed4d313261ea2435570061aad3279a6c25f2a8a8d6626ed116559b5dda706bb098ac8c1c",
    "signer": "0x93716e020f1e376Be9ec4fF785F3ad50ad2eF68d",
    "userId": "463531545"
  }
}