{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858479840",
    "entityType": "User",
    "nonce": "0x74859d1cbbad86438f96c97ed0df13667cf347b2d6063668123a4fa29bb1d5e1",
    "signature": "0xccec1ea04c586ad0816d21ecd00e4eb1fbd537c45271ec23c1791745a350a2d657a84d17bc94a1b08f8893dde1a3b4ce2a51010f92eec00f4ff9d3bd3c910cbc1c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}