{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1283805",
    "entityType": "User",
    "nonce": "0xf016152949296b117b109373978122a94407989b09ed0bfabf4042fcd09f3397",
    "signature": "0x5be6c15be289fee6e4ddb941ef34cbdc36f3c62e47affa37cddce3130e82cf137be6f0897051a0bb477fc1cd1b17945cba2e20f1be1524d7b94b5f53d577837a1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}