{
  "manageEntity": {
    "action": "Update",
    "entityId": "985164428",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5d6f87e9bff6628c15d973b397b9d7b21019572374f24a983e66a248167b30af",
    "signature": "0xf60f6072940a1e7368007509d56c2b1e2a5c05a8bad742543aa0db02dfefe8780daf6d6fe1f1e4037bd55d9b28dba56aedf959c8d48d59fd833e205a3d019bb31c",
    "signer": "0xAe6A73e9D57989602FC1a82fAde8eA82f7c5Cf2C",
    "userId": "985164428"
  }
}