{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xdac3140608fefe61a91fe1242d1ca20a4a87c11df07c31ec4521517299b3a6d8",
    "signature": "0x39bf43c70e088c68c2f38da6c132f0d910c7c28729d34c09bc080535d97190e851c05f3018ed269ceed24c7aef61ca01c67adf69af732ebabf93c5ec60ad9fa01c",
    "signer": "0x499499d5bBfD6d922f23bD8B3CFEEB75BbFb2aDb",
    "userId": "952795514"
  }
}