{
  "manageEntity": {
    "action": "Update",
    "entityId": "806631604",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6b9e0de9cffc5818b3cbf4ce9b9e73c7ba4914610396a991af97b87ddae019af",
    "signature": "0x2ad1b0527e12b41b3ac178414408d90d5597c7b0361f7d84a22388b06bac6c306d1b5b0db9149e2c96f3c1c672a191bccabfc45028db789af442ea9d57faed521b",
    "signer": "0xE0AA179CE7734dB44adAfC7cc81Dd990d91BAf6E",
    "userId": "806631604"
  }
}