{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "298995",
    "entityType": "User",
    "nonce": "0xccde5f5df8e650a5db65dd5a4772ff602f7e3687492517f114f9317b95dd27a3",
    "signature": "0xeb894eef402c8891ec658016e3204a4caacd761e6822592ecc2a1a3e162246fb363187476b4cfe7b3d6f6ebce7641e72b55b098798fa2c82e10f40e00d7556bd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}