{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604386719",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8ae97df33bf6e967175c1375ad089ab63dd33fb158126e23f8dc8a29f4ff6f2a",
    "signature": "0x9878b9b15c662ac4c7c8a400406b0d1e08e7f15d412f1937e9a348194ccfa0ef0d99ae0ef8872eb3144da698d15174579686486e6a301ef3a4e9b28b419d3b9c1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}