{
  "manageEntity": {
    "action": "Update",
    "entityId": "60487304",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1e702c051f82ca081dfc5adfd91fe458821bfecd2345b02c1105f524ecd2b13d",
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    "signer": "0xD1479674009678d00F94Ab9E036F8698794aC995",
    "userId": "60487304"
  }
}