{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643843486",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x79124bfc6083a7442dd309a5b075d846f69175ba3da0216d60b2c3aa0632ba5e",
    "signature": "0x2ef4d5fd85ccefaf73f1b9ab5b31e6162f51e261c32f3689285018c07e94b70d69572f9ff404de02ca27e973642532b4f61962c4c8bba705772499bb8406b43d1c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}