{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xb0f1cb9563da0bdc3dedc98d760cc8a0e2e5a3244e2d60f67f88975a1a96f386",
    "signature": "0x03cdef59b5edcb1818756094bd065c53059dd6635887a084c6c11655e74198767ad106f24c7e2af65ed4a9bbc005abd73ccab4a7085f28fadeaf4289f607b7541b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}