{
  "manageEntity": {
    "action": "Update",
    "entityId": "1347547323",
    "entityType": "Playlist",
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    "nonce": "0xca7d8824e0b03dcad5b49cc2bc3882b2f1877ba23761264de0270d419000d8b1",
    "signature": "0x802c995dcea04b4e93c07cb72d6c0935ccd4c072b7a8920d5d32f4f25410ea751a25f696b64dd03c4f5aee92a9c0a4dcc154dd14092fef6da3180140686216201b",
    "signer": "0x349076f7f4d2b28A87F0e9F5884E75d25d0C46e8",
    "userId": "159054652"
  }
}