{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758944",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c18d5c6802706cea82f8129a116369e67553459ddf1192ba95e7d079fea5164",
    "signature": "0x11374ce7bdcc02323726f5b63e7d78730be9349790774966a126b498d1a34f6250a3c5efd2b883e1895c65561ec7d5958575b383ea1e9d0cc8e07ccb100654781c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}