{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa282da12d163b655cb05bc790295b844e566f43ae314b3617d00f5ebcf44ad3f",
    "signature": "0xd6cd47f6f5e174ab5e9b268ab1208c7791205d3e92954a954582f8dbd4b0c83635e371dafb9c733c7f539fb047e4419fb3b32ca21b511318b6606a4bd2d853b31b",
    "signer": "0x23099Fdc410174A7140B5df3f00d4a4De6EF5Aa5",
    "userId": "790829893"
  }
}