{
  "manageEntity": {
    "action": "Repost",
    "entityId": "390317790",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0c678010687a78c3391c70c57a817c9f3ec38284c7b8962997bfc4e13837df0b",
    "signature": "0xb0c11dbdb4da75b094397cd3344adb96660e26aea42bd9d7c13b0f77f5b34d745936b20f4a13e2214baf89fd5ab8cb0450149627cac843f34c64d2391db2ad411c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}