{
  "manageEntity": {
    "action": "Create",
    "entityId": "1570840740",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"!!!!\",\"entity_id\":1277268861}}",
    "nonce": "0x1129bc9e119080e13689060963104ce0f7d31fe4edc8fb283972ea5fb13d85b8",
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}