{
  "manageEntity": {
    "action": "Update",
    "entityId": "237765871",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbd065bb49209c21e9c6d214bee374195e6023a5af977973f96943472421ec085",
    "signature": "0x92624b121f7de1c21e23f9e2990a1204eb05faa8c1cd45f38cb0714ba93d9a9a1b09c6a612b1be94ea1ed33f89b0e10e1a4b7b34f2501cef8025a904243951c91b",
    "signer": "0x8c716F932726b40bC9E1CEC18f2c93dc876da1Dc",
    "userId": "237765871"
  }
}