{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0xabb00a007045cf97b0cb117abb819fa6448951b48cd47b454912050e18832c2e",
    "signature": "0x30d92e471595200c03650b17d1d8e33f1f011b5c2b9a71c9b5042a8c06316318780c8a9d9f002cc933f6691e3ab59dc5f12d07ebd891207f664df85a8a6f09761b",
    "signer": "0x344Cc6Cd6326A3Fc46e2f789e02111af483Df673",
    "userId": "980331"
  }
}