{
  "manageEntity": {
    "action": "Update",
    "entityId": "765625105",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe1ba6b19b07904d4a45ca929214c8a00a1ba039b9879c76f0b34e39b52c9bed2",
    "signature": "0xda5c070ec43a7fd840ee54c01596a8c4a143ed147d46cc1ee5d09c326be98fe45cb54d6a80e8b52ecb65fdf2e574511e59dc8788bbe59d1b9c21c930c8ead2051c",
    "signer": "0x0c519E7BE95279D3e397f2Ac6E0b30480D9B88C7",
    "userId": "765625105"
  }
}