{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4ef7b02c14390a109a1039503cddc5dea187058c5bac622403bdaf76f5d2b659",
    "signature": "0xd6309b38c5da80fc4eacfae630d5afd7ecfbee4d77dc9de82a88f2b5312753043a994d34b7b681b5a34414a76e58c12a7d3794879ee59a736111eb054fea1c1d1b",
    "signer": "0x74F2E3a6BAA3eD1953D05E7432A5dA2F92f61604",
    "userId": "553679475"
  }
}