{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428371",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x04dc39ec75be7b053e2b4c14f3443a68e13aa9fa1aa1a1eb92a59b427a9c9d06",
    "signature": "0xbb5a6cec685f8d86c3ee56121b852b1f1e4567bd3a7d03d3b4385ba72d3fed017e34795d2843e31c4b129df71fd0d9d7ad793d3940e4afc5b6005e2df9e55cfc1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}