{
  "manageEntity": {
    "action": "Update",
    "entityId": "980027500",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4d0b7a6e12ec0782b80bca9b72ea184479c908fc2140f1aa726c9c9a92b44ba7",
    "signature": "0x810b3daba204f94ae5a6effe4d99ffaca994cab2a9d5fcf8f8cc0873e651f3920d8c869babd15df78f23a85eb2d37c894b1bfc9c1fcdb3d35288d856e521787c1b",
    "signer": "0x5a675F549eA704d45E5539B089D754F3c7ce8aE0",
    "userId": "980027500"
  }
}