{
  "manageEntity": {
    "action": "Update",
    "entityId": "734066857",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4a4eb2fe9c11ed00408e4a1117ab4c6da878c540ab3163e8ce6ee833245504ee",
    "signature": "0xec73f59042267d87853069b85d22d7697f72678bebcc0cf46d58809ac91f25c445604086660d2c2caa0dd4f98a4578824c5c255ee0050d8f9ee22a51141e7fd11c",
    "signer": "0xd71b259a9aF69123a75Ba7805f06985aD55f5643",
    "userId": "734066857"
  }
}