{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121576",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf4ba7b12b62287d3dc10628a8a397d6c3ddad0c0089391a575ba85e8dd3753d1",
    "signature": "0x41f9c8037a61a29e3d908bdf43aa4313329fe7a9371ce9a24cd12248f0eaa0ee1261398ec218fb8a4d1dc5e6c67ba154299f5e267e18de3f04856aa27546d4681b",
    "signer": "0x4A3D09CdfD42dE4C57dc67B09a40B5d9172bD69f",
    "userId": "787102835"
  }
}