{
  "manageEntity": {
    "action": "Update",
    "entityId": "567685296",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7a6a8856d692a58000f893cfce9aa5daf1d4de33c5bc8c940811f90f1b020cd9",
    "signature": "0xd67fe3b677ba8a15f61c3600ee25e56be3c5c8c99ed9d17ab44b3fcb45ecf57c48e45b494accd675cffca79c39c5dcd8c688951e81fba334d1e84f2c86ee8aa71c",
    "signer": "0x84206eF8bAD3F78F1B7914C57F2a4Af1fecd784E",
    "userId": "567685296"
  }
}