{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa3a1f9ebebae829b0d07468721aa66f52be12f747c1241fec64925c4c9f720b6",
    "signature": "0x9fb4cf3eccd0782c741f25820ac952bccc4d4a3e1831e6f3331f27a5f07cce1a2f3738f2c6464321640512b44177b14a72db22bec078ee5cc59e3a0883b83c061c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}