{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0xf81faa04a2766cd0534a7ad20446428a1ffc0418f5515f79930bfaa41da7f38d",
    "signature": "0x1b540345b6531a443e057b6d693cf2496a32c7a2407d3a30e3c2b62be29581ee446beed4256001f13293c98a565870f3069ce34ef25fdd25fdb571e9d14c4d151b",
    "signer": "0x8714181b6CC4ef4089058190cEA8db6ff1a85b62",
    "userId": "295478826"
  }
}