{
  "manageEntity": {
    "action": "Update",
    "entityId": "422727299",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdea7d5d0a302007d3031a9fb2a8ca6f9cd4bf94822d2d285b577662acd38e1c7",
    "signature": "0x7e82b20696b97b6885e62282cce75c0a70c4cb1516138fbe6eabee0e79027d424a94d88aa7711e05f8259872105bf87537487bc22bdc5e14a667e36735e91b6e1b",
    "signer": "0x47A457844816531a3A2986e43DACAcA9D3b0465b",
    "userId": "422727299"
  }
}