{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xc357b5d33c5b104e486c32e0bfdb63520341381487be98e520ab5288359d699c",
    "signature": "0x69b9e5bf83ee9caa32ad0c707b574d852e270c9c043e3e55746f8bdeaa89c93210a1cf0307f2c9d94e0a111cfd6e15697cc8be127242e933bb32f25188709a4f1c",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}