{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1431",
    "entityType": "User",
    "nonce": "0x53164751012ec18ce76a42a764ee41bd5f9b5edbf6f916768fddadda3adaf550",
    "signature": "0x4c34aeecbced265089497cce0834340fad60c1a4a77f323c04de1eb456157a7519fbf32c1bf01c4364cfc3fd394e9e0c79d843ddab43ee8ce7418567a4835f091c",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}