{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x306c9cbf2fef85e5e7e410248d5539eadb16add8405b86e91be534c24ee71d1f",
    "signature": "0x0090d15bbe6b382eca57e57d1153674f77e6777a7386912e9da3e4898bcada6100d82eca41460db367f7dc2ee36aaeef411d30f000e8914cb758b2cb794557611c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}