{
  "manageEntity": {
    "action": "Create",
    "entityId": "754178115",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"\",\"entity_id\":205866127,\"track_timestamp_s\":6}}",
    "nonce": "0x9c896f808eb93d6c39b8095b3829d9be22d188bd351a8e2acadf0bd3cf4eab4e",
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    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
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}