{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906184213",
    "entityType": "User",
    "nonce": "0x826ec830487f7b18a164173ef59e10cffedec2ab2d4d572864c61550e3b9c567",
    "signature": "0x8780b41e91773a254916e6d3fcd0fd660cc076768ab2d76d8d06cdcb42fbe02507df9f4cd3d9b648e1768b1a1126daf82e05fb1028ffb60e9655b4598e6268b41c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}