{
  "manageEntity": {
    "action": "Update",
    "entityId": "927286620",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdd828b5ec62a1d513e736c6089fa0ab65a353eb780283e650ff60b617d580c66",
    "signature": "0x6b491cc5eeaba118f806830c17cadd6a3ce90db47ba3c673ab78b17e3a453cd11d1ad22e78481a78f4a49270278819e6ee9604e72316a417c476d4ed3dc535091b",
    "signer": "0xEE129C7acD6301298b4387624eD4cD4E244cd628",
    "userId": "927286620"
  }
}