{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xebc843f56b6e5dc40b79faa7c7a9ed0520a17174a30a456ae308817ee3f1c96a",
    "signature": "0x0731980e03ef6c6a0f9dbd2706e3b0608da14f411607c02e97640f7b2fe30ea51902c49009a75c7ac2aff6b83b324248a19f758451f4917129180858a9999d151b",
    "signer": "0x257c9f4A9563d6A4a2bF3be7Da1738e167fcF295",
    "userId": "301719964"
  }
}