{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x65305cb1eaa436b23a18239fce15ea4f6f126f88a1d9ef717981769295e7daa2",
    "signature": "0x4d4b42ece28b04b2a5c76fab1b04fa0e6097a3717d2d319a01bfc6eddf8999ec0ee35a1f6cb1e879e3c9e3bc881ae86fc204e9b7a2235f9b5c34c735d850578f1c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}