{
  "manageEntity": {
    "action": "Create",
    "entityId": "647169587",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"💯🔥\",\"entity_id\":1729263990,\"track_timestamp_s\":81}}",
    "nonce": "0xce3de5e45c310afe78fc46997e0f9039d5550effead4ffb3909370c1e8157e2b",
    "signature": "0xa9a2a85685b3e704824147985792af3e08297d6d1e50f967a4fa48bed809c2511bed8a9dc7514d59828a1cc7181d5c90bf6c7158049b827371e329736ebbe9c61b",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}