{
  "manageEntity": {
    "action": "Update",
    "entityId": "133629090",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2c53cd9a1edb9af89040b8966bed9989371590147223fb8ebc7ccd7409964f07",
    "signature": "0x9ace0718d37ec6f3c559e8827bf9599be109a7bfc5296ed846d57b61cd91fb6438543d89a49ca5b80fcd496084932b65bbbe643027e79be929cf0522b2df2dc41b",
    "signer": "0x454A4c2a120F0C7Bfd31AC4d019683C00738DBe8",
    "userId": "133629090"
  }
}