{
  "manageEntity": {
    "action": "Update",
    "entityId": "791844404",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x38e4c3e075319503a302e147d945ebcb91ca30308c451f3f9730a526b61728a2",
    "signature": "0xd487bc2344477e86de84bd5fc810681656585fb545a284df8677dc569e8a1b52612c7e2b905e516620ede87718b3280c68e7d05c4d2cc2d20a2597df5cbd0c671b",
    "signer": "0xE34C6aD14cf376057fec69EeDE5A2D7B618ae6cF",
    "userId": "791844404"
  }
}