{
  "manageEntity": {
    "action": "Update",
    "entityId": "825636807",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa3ad550924d066abf8cd44c2f5789214c61bac4fb2efdaa1e59d4ab86827503a",
    "signature": "0x2cbf29f673d11b78ac3ae49b272f487e8b8246c73cc21b663622335265b4dfa8680a11d59ed0093491698cb3e9e5cbb508f02972ce85ee666a8d5759e387e19b1b",
    "signer": "0x452136c9843a1ab72B758B9cAb217BEff858Ab77",
    "userId": "825636807"
  }
}