{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xde4732a7eaac95a5aaf9581d084dff9c2d8cba84af57a5b336c79b6f78088fab",
    "signature": "0x0dd3a98f5cfd71625b34995403befc7462115d7182a2596ea7cb684b8629a7af08f5e244f0da270fa9d0503660ad93c6e22bd603270f740721765525cb3884011b",
    "signer": "0x2fbC1fF5a73141F2B07c5162F632686D6d0105Ff",
    "userId": "692310750"
  }
}