{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x718ddec341a3b4ef1d8fcf1fde9228ea7b234c1165a1ad2e5941b6191fc9582a",
    "signature": "0xc09e1c15bff755c31ebb070a4f5286e269b807ed6282625b5f695ffe8e63719c0e79db83d1aa51f42322a2a19ab1a708f8aab38f66dcc9a0b80f9d0c17e8ff261b",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}