{
  "manageEntity": {
    "action": "Update",
    "entityId": "455914777",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb9048fc20ed62d5e0682815b31106a506378c474de9ccd61e1767c919b91787d",
    "signature": "0x6d130401cddd2f74b5d085b253e4c11b4ddeeadaf47e28aeb990cf1f2e2c3c2a643e0d50b113240c7cf7f04bf26602f565888aa46717b9bc72ff0d42c12aaded1b",
    "signer": "0xdCf33EBB5e7b84FCB16F97A7F4526df60c9fa632",
    "userId": "455914777"
  }
}