{
  "manageEntity": {
    "action": "Update",
    "entityId": "798628791",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x41cdbce3da22aef71380fb5f6215d5d8118b9afad65193240bb978349b3c0f7a",
    "signature": "0x6676b5d26e27d512f339e40e1cfce5f6606e85a5889bf66c53657c1ab1d3d9471efe8f6a484a6483584ae2a670736118b4eeca9426a5f597984c9c72cec748541c",
    "signer": "0x3Ab91E8eeBB4B3B668908Cfa0bcae09bc33462cc",
    "userId": "798628791"
  }
}