{
  "manageEntity": {
    "action": "Update",
    "entityId": "297948893",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x11a89ce860af277feebe5db5909ae596f4f292736aba96cb24eb9ffd9d9606d9",
    "signature": "0x0279c9da9a66b6eb6eedabad953d5cc948d95c3b18b541cdf172b4097f484d0d06d3cccb9892e18b5aae67f0a6e5686d2af4ddb15beaabcfa6d4abbb79ca2c481c",
    "signer": "0x022702278017558A038FDE9f3cd91902eB19f63f",
    "userId": "297948893"
  }
}