{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x57cbf39998f8faf2bd849e341ce07fc999a1167a94c52da36199c4abbee42847",
    "signature": "0xcb4d312df2a048710f071b4d25239e4571694a6fd02ec8ce336c39cfaba9f53114f99e8f94ae287d6b928fadb152f4b87ae106bc652403dc8b57d000bc554a9e1b",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}