{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234046",
    "entityType": "User",
    "nonce": "0x7019a3fc545d07a99adba38e0635bbbbbc936438e756bbd2a224786a237bff3d",
    "signature": "0x257edd38c40a1a04519f00b21bb531afe906a489ac8698709d5e50b1ef61f1682331b637fb0d6e0925f70a4692b1aeed2561fa3564a5a0a63a33a3995d7184101b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}