{
  "manageEntity": {
    "action": "Update",
    "entityId": "941711771",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6ad632936c53fa08c9065a66b5f526607c4ed0e8c63f1542671fcac8abeaef1a",
    "signature": "0xd66098393d1da85f8d3682177abb1f855a4f0d7504e045533d3175cf93ce572531829612aff566370a71a0957aba3cf1aa167f17e60d323c7d91357df94d29511c",
    "signer": "0xbdB8eA7Aa50C113b1755Ee2985da6D2DC957FE4A",
    "userId": "941711771"
  }
}