{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xda734cd2e53be98e482363a83177c8d3e9e3cefa3aca844fc1cec7074366b022",
    "signature": "0x5e189e93d841eaff77bc13a196dd7ee9319d74e63d6ec94124cedc0513a3b793275ab1be8a01cd63abed885c5bc1f8a9fe6abd973a44de9444a1c834104cb4641c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}