{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1399510076",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3c413b2c1e91f9b8d094f603d95e294df234cc0658d4c548dc3ffe15e6891c33",
    "signature": "0x96ece465efb8a1fdf0091f1fad9bbecdd42534b86a1e4335cd3b0d5dea1e902d2d9eb1b64d1a21e6a7eaf3dd5b7be162a8e9129ee9c354a8f340f68ae11e4b281c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}