{
  "manageEntity": {
    "action": "Update",
    "entityId": "614565620",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x04f7e41fc43af1bcf5a6c860841a6688f6b09a57b4f8e8c47d919bdf8e7a2d4e",
    "signature": "0x252a3ae30308106451dd5f7c96ec89972841332b2f3a50ae080cbb221c16bdcc49df75b587fa1e3cecd3902a26f2b22b1a2a3ba6dac48a38f78be29e9ccb990f1b",
    "signer": "0x26A3Bf55EdB37b3C23aFCBf7f977b73Ab5111f80",
    "userId": "614565620"
  }
}