{
  "manageEntity": {
    "action": "Repost",
    "entityId": "712289",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9838e17c2e3d859dfd406d3f444f5f027ac6a91b79158dc42ea868fbc8c4a54a",
    "signature": "0x4aa25491d1edfc303c89a1f86e9d0a31b9a9d08fbfdf7090326ec2dc76ae3e700eb9152fcedb1e06ec5db0dc0114856a417103fdf09fca99a5a4bd0306d941231c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}