{
  "manageEntity": {
    "action": "Update",
    "entityId": "755330176",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7959c7c719c5ff07524478ec13415c27ab53e17d8ecc6c3764c1c996ca882eb7",
    "signature": "0x23deb40acf92a92221006073c2666aa8ff266cdee05b58afbe1bc88e9c060794335b66c7f8aabe316613720b385f6b524190ae57836373185fb9dca6243d0c6f1b",
    "signer": "0xD98eADAa29791533E4074Ec7A4d2eE7Efa0731d1",
    "userId": "755330176"
  }
}