{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457219352",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7794dac03bbe8c1380f5b2eaf79d18177e63450e29ccbedf40c889c6ec076e5d",
    "signature": "0xca1cf1bfd83e501c19510957741f37f8886ee5659250631c701cb92ae62266c14109809f2f012c5e2235f78e0b103a42e33908356ca1f7a91d63d5ee04bde2821b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}