{
  "manageEntity": {
    "action": "Repost",
    "entityId": "3875",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x17e7129b61f202b078db9f2080b8b14a56fd3d043b6a80a08905c2bc26597790",
    "signature": "0xbbcefb54c25c7bc5182447f772354a401080b8ed79c743a96b87f8c1c364e93829f94337ac88d51a9feb4ad52ab0c1b214aab0b139818277ba4fd677e716c14f1c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}