{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3ddb4aa68f59a00e9679b1db6adba07985c2272adfdbf43bb1affad07da12bdc",
    "signature": "0xd3c34d1a2f93c4a564400beb6244353f3d299a0d14073b22c72afd655c7ce9752ddc78908c4d2037ed0796a4cd24b75767741976f80413d323930ac8333db9731c",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}