{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "535114",
    "entityType": "User",
    "nonce": "0xdfcda087f1d56ae8faa5837864a7997915a23b9854d3eb9e012311eb97ab99e2",
    "signature": "0xa6524e983671726a8d7a8bd3f5012807c6aca48042b16bc956a2ffc0a23094a856d499770d9ca51d7f2e6db9a737efd38a888cc2807ee8dcc7dd314ef68992df1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}