{
  "manageEntity": {
    "action": "Update",
    "entityId": "798596916",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x50ecc429891fa22b088a435e84b2a48ca26241aa24d227622a10f09cf3424718",
    "signature": "0x51be7a99f41a5b429a6a1000f7315b782da236fde3b7db5b1e6d4725d8cc4e1b040cb0192a7e5b2dd115e19c65af81071e5ee8ecc99a73b3619057c4e839cdac1b",
    "signer": "0xc2F59462DdeeFA9451a8CeBC7867413c56677C1C",
    "userId": "798596916"
  }
}