{
  "manageEntity": {
    "action": "Repost",
    "entityId": "539074921",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x303d26b37b1f5f5cc98c9a02b35a502f1e53b5ce28dc24a733f8f57fb75eb42d",
    "signature": "0xdf22cfc25f6c9809b5d0405618c39d1c347a0678cb8e23fd9a9fc27a361a0f481bb42dfd5ff37515d94ee49c4e3eda0a6c5a983313b7e10084336e7c6d17ad221b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}