{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x53e5bd599b13c81f8d1f9d3b10007d257b61ee63a69eccf64754b1e150a0c597",
    "signature": "0x2751b91952e203cadc3f18d6b6467f95b8c1889bcc035fd2b87d9a622f1713a1639c9a96bc5f5be71a873a40944d9d6e5a5527a1595f114b84c6e1cc7dca41661c",
    "signer": "0x8CA7fBCec15984D0a7f65c66D88B0595Ab3101f1",
    "userId": "361437307"
  }
}