{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1872902747",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa687a4706be7c8f8e05e5e993ef852f3f45aef10c2d79cd36fc0a4423f7e68a8",
    "signature": "0x66dcf78674a55291e168c3fcfb36e0caaaead564b79ed1a0fe011c11fbf773c6107fe6422ebe7cdf961bda846e428cd63dc171c0f0bb1da9778176b44abc24751b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}