{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbb73065dc4ccf475bd665a2f768c3308bea2b495c5422861e0b642a71611c539",
    "signature": "0x102b1ad3dd986e0eb12c8694fa76ed66401d2bfeabd072814d56003cc4a60cc518e28e324d1e9862debcb28a55d66ef9eea45f82f62ea35045e1c8a152d53e9c1c",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}