{
  "manageEntity": {
    "action": "Update",
    "entityId": "681165804",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3a6cd015e79d72a83edffe134a24b1175f98799a837a06df6536c14381e52ce6",
    "signature": "0x3df93fdb376c622bf832c503f086b3d7170482c7ffa4e4477538be6ffce619b6220d89d0e1fdb94a1d84326229e1e099e206c28c2113ec79b4b2c29040da8fad1b",
    "signer": "0xfc52239a349B0823dCE1e993B67c989F3c37498a",
    "userId": "681165804"
  }
}