{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65878",
    "entityType": "User",
    "nonce": "0x6f9f81fa3724db0fe13a19c2801419d914e17b8ecd064522aaf484a61d656fc9",
    "signature": "0x207292c2582824aefbdcabd47b10551e775fa2ded6669d3b422618700465bb6308cebb50be111d366e467e7ff4021fe2d85a5daf6721b77123923a620de5e6fb1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}