{
  "manageEntity": {
    "action": "Update",
    "entityId": "822716103",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x257d3a771afbcdbdc20104b62c7f4088217a794a48b1f40e1ca5820001c2c20e",
    "signature": "0x21613ab9be83bf191ef6dbb1d585282fee7754083940346c4036393ccd8cb7300cbac651d7df7b7a2152bfe491899bbee4f463ab37533211660f69630619b1b91b",
    "signer": "0x616810C6C7bdfF44008229BBe24fd212CC6d62Da",
    "userId": "822716103"
  }
}