{
  "manageEntity": {
    "action": "Create",
    "entityId": "1981590471",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🕊️🕊️🕊️\",\"entity_id\":155986730,\"track_timestamp_s\":41}}",
    "nonce": "0xa98b4dcc98a5d747d76764c4ae9341e5c3ab11d9671a285c1c652839f488f22f",
    "signature": "0x2c5ffd0612b91e218b94d1573b6d354b934b07faca2b7d783448b4e825fa45e47868ff994f3fd43307a1cf7b7061d20e35020840a4747868e186286b80f293081c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}