{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xb4cb390f10a266830735077974f576d13d003ddb0e43374e72c820aff4bc3a53",
    "signature": "0x188d12faa52703cfebc01a97b4a83425dfd00ec2481d4b2746c7d0ddcfc605dd57b7c672af3ee7425272605e38b2e0bf5b4601f5e69e9746137b1e22ce9c5eba1c",
    "signer": "0x51eb83B482b61e1b0E5443cD8475874Ba64aef1F",
    "userId": "857012202"
  }
}