{
  "manageEntity": {
    "action": "Repost",
    "entityId": "447258199",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4eeb6eb280bc1f012bd7aee20135cb7e79582f17774ba0c8436db3428d273f20",
    "signature": "0x2f1320a65c57e9b3fe9803f50a92cdc48017b4f89e0fceb5dff774cacf18583437a4783913cdac88990b56fdecc51e982e8585b7a3e78eb4f40e85c778a9c80e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}