{
  "manageEntity": {
    "action": "Create",
    "entityId": "1437034471",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"lil short though T-T\",\"entity_id\":1685389082,\"track_timestamp_s\":0}}",
    "nonce": "0x0e2d14ba8d7274ef49b9bd5d7fe4aa6c384283bcdf6b28fcc58a234161381dbc",
    "signature": "0xc28bfa50b7844beec6e1a54a53d67ba89db72b6f9efa4848131c3ff64befc372675ac9f95c54970b9920786747bb91d880905ee21db55fe5d83a9563cca371061c",
    "signer": "0x6cfb8F51Ee356753Be1b859092b18929D118a337",
    "userId": "493966740"
  }
}