{
  "manageEntity": {
    "action": "Update",
    "entityId": "329426201",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe9e03d4d2801e6100886e27b98ce368e3bd3df1c6339fd4fd5a609152f840ab8",
    "signature": "0x0bda52e0ae79dad937f007ecde9836217cb97c3f48df875aa3cfad19dfb5795f7d932d887d3331ffa1b550040b2d50340199f137f1fcc83c2bad2d30931589691b",
    "signer": "0xa9dE4be0B891b92809B19B7F6ae0C51Ef8e5b0AF",
    "userId": "329426201"
  }
}