{
  "manageEntity": {
    "action": "Create",
    "entityId": "1197653590",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":20,\"entity_id\":1134195943,\"body\":\"love everything about this\",\"track_timestamp_s\":18}}",
    "nonce": "0xb80c6b2d24bb4e76c3fd819adcacd7a9df22f655f94ed9cb2e0b47f53af6bcc9",
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}