{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0xd28d029f169ca30ec0b196e2287e59e1bb4894aa30bea8a119eed244d3808107",
    "signature": "0xa1481932afe3f977c34d7da13194b0545ede454a3342ac7d68f468d68e9fdff04bfa7c66defe3f81a6ab5df340294463f1798336adb33b7f6b3b78b92a9db0dd1b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}