{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354074",
    "entityType": "User",
    "nonce": "0x7265365870f262d6cc9000f08dda47cd0c609ddac6186f5c0081ab96edd6cc59",
    "signature": "0x324d45ffac5269317251300b819b3fcc8b99d080f3e737cccbe53688a5ead7b9041505a7316e5241ce1c7f58400a57fc3ebb83dc9c41d9d4a2536984de1956d61b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}