{
  "manageEntity": {
    "action": "Update",
    "entityId": "192864997",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfb2d37e8fbd298f0a7ab2f629d8ee67113d6dc1affbe474200c5f81cd47eb7e3",
    "signature": "0x8752525a71199c0f90a09bd4d874f7ffa9a09ad36390a6e16691bceac3b217886d7147f591750053c271935f635873ee2e758d2d2b6e9effcd46da517d55a3ee1b",
    "signer": "0x7254B94fA9e18b0A61250249Cf713a4b7fC91FA6",
    "userId": "192864997"
  }
}