{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x449f009ca7ec5279d1a647f4799bd113e3c91addcf7cc6cc696905b2234775de",
    "signature": "0x128faceb542d92066e944e060c71f9e31a8bda616ae2d84a4bf3a08b6553b00f4d84fa04165be1e67b4b39e9da6b8e8b4bfbb56d4958bcf7c3e7c97030980c011c",
    "signer": "0xb53d8F14E1CFcDFcBEe3f70ee1076d7aC2B68802",
    "userId": "225339385"
  }
}