{
  "manageEntity": {
    "action": "Repost",
    "entityId": "616812129",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7a95dcc9129da6f833a74d6e4c6f8ac71260c48996842042d105b21333ec5c1d",
    "signature": "0xe792400d5259453aab6acc2b5eae15b036503abc30dc79ea1d0da3531a90e0340a50f5c61d79555c92f03b9b389f154373535ca2aa1ef9ae963b7a4d266ac1b71b",
    "signer": "0xb51B50C9b7d88C66d31539161F4BA9Dd72a17dF5",
    "userId": "465531556"
  }
}