{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131834",
    "entityType": "User",
    "nonce": "0xaf1a66aa214c92ea728a351d2e9f9bdba014f3d78ee81e0c6d44b464d9a2f2dd",
    "signature": "0x99bd9254d0d44a1c5e209312ac326ad723ec04379fa3521d64e032d62f4159c25cff0e65386c00aefb468706161fda76a28dd9a25cc71800e733072d35a9e6b91b",
    "signer": "0xa7CE3e71c538F5C6309059E7Bda968883229c85c",
    "userId": "341099691"
  }
}