{
  "manageEntity": {
    "action": "Update",
    "entityId": "882786016",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3c0bad6c61c4c53ba4e6409c253de01a71d63a7d73cfcc9f5e098787cdf70ad0",
    "signature": "0x8cb55dfe14df2785105c42500215aecb03e4960f3d2946f5fe6796773dbaf04a1d777a2d20be82f489377ce7e87a23bd47bce318417bdc0322f87e7d793058651c",
    "signer": "0xD24FfFB5C56D31307e1072d8DB324b7742FeF6E0",
    "userId": "882786016"
  }
}