{
  "manageEntity": {
    "action": "Update",
    "entityId": "697765896",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc5c84dbca4324eaef3b9c600c95230a83f4b04dd9f6a5536e20bd366146f6b95",
    "signature": "0x26f83dc65e7b34dcc11643612be2844374f9af03dabe046e8b20b4327bf7469343232cf6057250401b2fd1d548e1f4bc85c1056d0d18d159c1cfcfb0220c80d71b",
    "signer": "0xdd9866f5231155D8450f557CF6216590fAeE2900",
    "userId": "697765896"
  }
}