{
  "manageEntity": {
    "action": "Update",
    "entityId": "925194220",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd41af4e6ed22fd2cbbe2334c9a5aeafdee24b757a6ecae4c3988d4ff5715b0c3",
    "signature": "0x9545101df1d578ae303951023cf83f64500037a76cdcce641d79c7b00df2f2d602f2c0ef7624a7c4b4717436de282d6336216a7c61bd04005881585a69cc6b681c",
    "signer": "0xFD1DDB549B4D6048B9D18AD2A667AaEDDA181a97",
    "userId": "925194220"
  }
}