{
  "manageEntity": {
    "action": "Create",
    "entityId": "365770724",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":52309,\"entity_id\":2095607609,\"body\":\"banger!\",\"track_timestamp_s\":47}}",
    "nonce": "0x20b6e5c416d184c27b1387eec2f6e001afeace82cf83cc10ca59590cdab768a4",
    "signature": "0x3c8cc6cdf09e2b57a31fd4e6ed7747dd4880da521db15db5a4986bef50af38d13a014775a425281414981c2f3612c36e959b371ab15ec7ab0099e915fce884e61b",
    "signer": "0x1CE93c43F8574f553E8071e946654066188B61BC",
    "userId": "52309"
  }
}