{
  "manageEntity": {
    "action": "Update",
    "entityId": "659430899",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x02d3adb027fc64a5bd0885517fe92f615d9229f051d82f697af059fd1de37ea8",
    "signature": "0xbfde609589f45f7a238e3476b9dd4864534107289d83ee07dfe4b5b2aa3abe2076d6ba59f96ce959ef76b9f7ee2a7664102cddbbd825d3eb7489a8078e3c82481c",
    "signer": "0x92924f04C038D4Dd45200e1C7937F02dd780b547",
    "userId": "659430899"
  }
}