{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x9685e6f79f6e0476ba78ccdf0a43db325b5e4935188bdc35626feb47762b142d",
    "signature": "0xb831d97f8ffe80f2a949dc94597805dd77678a51f6e0c2a4d5e6731ac34b09327faf4310923dbac73b9cc7b6b160ecef43abb715324ce0a2c145b95e1e4c026f1b",
    "signer": "0x3C6F0E09eaF5eB463F767c9d5CD0cDA328e1492D",
    "userId": "586117523"
  }
}