{
  "manageEntity": {
    "action": "Repost",
    "entityId": "394785815",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe6b5d7eb1b6f15e85aa709e3ba671ef04e21f843b6d3d819cbeb8970af98ffb5",
    "signature": "0xb8e62e3487af8e1aa77148f1d4dcf30a420c221b1d494397d26a5ea2866b470a4e921449337aba15d6e48152fcfd796f95ddbda7f1f53aa70b591babefc925781b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}