{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12336",
    "entityType": "User",
    "nonce": "0xc0aa166d046d6696dd9cebb8adcd556d14f45c1c0dc01f5e4c909c927c54e4e3",
    "signature": "0x0ab24c9cedd173d8e9cd519d1538237bb878a521af77d964e2e2fae26275d2ca4d9d30a5cd36934e5361ad8ab595618b564d8e690b66d999b8f03b82a515dc6c1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}