{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xbac8131b94d2cb852282c43e837c3ddac6db1fa30cc9c3f52fcee4a9673f130f",
    "signature": "0x04867d40c89d083c66b297920a18d41fb12d0788edd01f647affd1c15a0d720b5b380cf682b4d981e7017e4a9cb511a7e71c0d8b41a7c2fe79f6d52691c619701c",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}