{
  "manageEntity": {
    "action": "Update",
    "entityId": "17766667",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe010393aac8cfcf42165b41b130f6a090b8a1d6e550e8153fae63a6948002644",
    "signature": "0x0dec5f49e5f40d2781491b50907039161540c63f31266286d9bc6c987d1d736a45562e489d6294fa7d244973e77c806c31f430c7cac43b8102ba771d89498d551b",
    "signer": "0x1EeF7f4505C388ca4a4B9A8fC01FcFa7c805D3c5",
    "userId": "17766667"
  }
}