{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc54e95410be7641682d10d3c2f0fcdba78d9dd6d7e9f261b2cff11aa0c9e25c5",
    "signature": "0x513c9bbad4b707654ca500022a4f6a96ab4ce0d76f20e2bca8a4325e353a71aa55e705871aab72391714060b97439f89eaa7af21dd5dd0d93fc1b32c9f05c4cd1c",
    "signer": "0x11d86beF1790364c156d20CAf3A0B8dD2a5f9eFD",
    "userId": "266084965"
  }
}