{
  "manageEntity": {
    "action": "Repost",
    "entityId": "742505",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc4c5c748dea3c3ed34444ee72454acecfd9b6a6cdf2f091650f9fe0a11bde58e",
    "signature": "0x625dd993b17f73f18ac0be64ee61554e549b70abb38e861e31c29f024551f8817d8641a69302d11a53e75d49ef22762059bf6f5ff478d1b773acdc2165732c171c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}