{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "988934176",
    "entityType": "User",
    "nonce": "0xe56dfb8376b78215be686882a9caeba1e91a1bea491adf80c87672437ad3eaad",
    "signature": "0x3733c82a6abe1ff4aae1976a7f6d8c5dadff6ff319c54effca2c145c4a2d44fe384518bd21a2c8e7defd6a180f4d3694582ea9cc24e3966d6b393ae563aa8d071c",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}