{
  "manageEntity": {
    "action": "Update",
    "entityId": "801529327",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8419256c68de4954d0716423bd8a163cb6d05365f09a7859877c4b5f35040eac",
    "signature": "0x420ab95ccf1dae80b18ce57ceff69b4684a6e9b27034ae15c17283d79f7e73c55d3213dd70e7adb788d1f704e729a04d75447cac583d0a10e736aea4ba2b1fba1b",
    "signer": "0xBDb0354396Ba7e3fD95D48aFcB67d7B4679D7DCA",
    "userId": "801529327"
  }
}