{
  "manageEntity": {
    "action": "Update",
    "entityId": "949893395",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd3430bebff3c5acde221e8ef2612fdfb07448e48203b4db5ffbd803def65ebe6",
    "signature": "0x58e46353cd183151da889beb6e5ce0da9a9c754f6896de2a3f9e56b612644b7340ed6e0f9bb0402ecfc9162007a761fa72cb6ecf1df7e4946b74803f5072f01a1b",
    "signer": "0x44463C62EeC8101317152A86f19307941d2D3cBd",
    "userId": "949893395"
  }
}