{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103316",
    "entityType": "User",
    "nonce": "0xbd68e7a0efbc6f960d7b6a6bc7c25b97a6c4e6cddcdae51f6b7058ef08f0bba8",
    "signature": "0xc270b6dd4883d2b5ba102bf8903cdf712936a04a7c50b03615129e6a6e92594f70719cfd1ff17e2c224840645dda8568d0a4eee8c28f7b0713017cf4b56f7a971c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}