{
  "manageEntity": {
    "action": "Update",
    "entityId": "326767831",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieranm67fzymtsicgfwi2vvokykxrpevnqryhnqk7dx3zogmqlsnngya\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1448541809},{\"type\":\"playlist\",\"playlist_id\":231573422},{\"type\":\"playlist\",\"playlist_id\":658416609}]}}}",
    "nonce": "0xbf43699b3d72fada9b6255651637a06bca4292b81bfca15f6a2c75d5ac959e3b",
    "signature": "0x3d7b2c7b0bbeff7073e773fad229e587b4f4b7008f582d146d0d163bbe8f9d85520c134923f4910b654f016de5f0a531009421b0b6f91182253037455cd96ef91c",
    "signer": "0xA21b45B80cA89EdC19365C5f9B50d82051294192",
    "userId": "326767831"
  }
}