{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38974",
    "entityType": "User",
    "nonce": "0xadf049fa0cc9c73872b4fa4891768f064c0084a1861291bb474779005c4ba428",
    "signature": "0x87cc5e4bd150a762ffa46d377a86ffbc0d75c204cd0ea7dcf80448eae9e9845019edee5b5e34e4f52f1d3a45b39c5735f469dd6b08f0848f3dc94390f072eb0e1b",
    "signer": "0xab3fbeF816d349E87D7a9AF9D1b42b9D7E14A16F",
    "userId": "385866220"
  }
}