{
  "manageEntity": {
    "action": "Update",
    "entityId": "386827046",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x169987398e540c0c612e8fe93be357993454ee71e1ef261065617c32ac60fe98",
    "signature": "0x81be65eaddb11936c3cb70a00adc48de2e5cf1f870d8a646b0147612867257c072734776ae2d40d911cd6197a2d6cb597f83242279a3ddcf37c1897ca3fbf3e81b",
    "signer": "0x41AeC2Aa38117fCAd7514D2E6c69FbB9fbfc2C20",
    "userId": "386827046"
  }
}