{
  "manageEntity": {
    "action": "Repost",
    "entityId": "503418607",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74077c17209d8671da4ea6bac6a180fe0ee0947abc1fb4d23638a3b740635a2f",
    "signature": "0x4a6b4c5e4d92803b80d69de0fd6076d739517a864cd891695284f289eaf914421700b7eaccfeb3e1f0bbea2844542abe0bf5f1ee234c0639714b792eea0fcd281c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}