{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664718",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x90f24a1b8381903b46c1699374f7021c4e6dd192d0cd9fb26f7a5b27bdb0ee45",
    "signature": "0x1930d0d43bdeeb9aa0a65463f6363f40447c2dacd946d0fe05bb7f9ed285b31b1cda7503acb620c606fed6f7d92ff971ee3e1c04c5f595629a2fbb95ff08352a1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}