{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43309",
    "entityType": "User",
    "nonce": "0x06aaa27e6c4ec7b9e4a0839b05240ea2865ffae825c799464e468b63153dea4c",
    "signature": "0xb5b43ab28a53b01c489df8ecd7c5590756fe19cb9ef7c218b50938066be228ad38a5f369383a148e4be109b9d5fe2af64c55877be1ea814c2e2299c12bdc10271b",
    "signer": "0xf9Bf82B2ecB609ee37250F00C0835d529331385D",
    "userId": "654530894"
  }
}