{
  "manageEntity": {
    "action": "Update",
    "entityId": "968797438",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4cd996bac8e10212a67266dbe47f14b19b49e7ce0d920dfa14dddcf535197ec1",
    "signature": "0xe04b9766ea823c7ed16ec17bee345eabdbaf4697a64367b4d48930dfdfd553800dd38098b9c66c887424f2ebb4f5daf8e73d379c5601b01d411d37848f77dae01b",
    "signer": "0xAF80af4916ff2256f32dAa1e7658a675776Df546",
    "userId": "968797438"
  }
}