{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x6e0f2ebf4a1c2b4411360632e542989820972cbcb19a0b949b5c0db405396b87",
    "signature": "0xd768133fbc2c9baacb7e7a8f0b0086c475565cbe936f9e4d40bb854b8422219a117b9befbb3035f251d910c1f8fe1fdf5a54a297cdfd8c22bf3aa74fb8c3294b1c",
    "signer": "0x4A5A63c11Be31C44BA4CDeE2481610cA9A9453E3",
    "userId": "160673811"
  }
}