{
  "manageEntity": {
    "action": "Repost",
    "entityId": "738239",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2559ec6cdfc6627c0cd00a504e9de796ff5b78a7967f4a46fe6fbb0b4aeab41c",
    "signature": "0xeb8f435f3a568adf42331a3726ea296e29e6fa694b62e59d019ea1afa63182fa2321bee3b952ff5ae9846c979dd32fe01de4b720015880eb1174dc240c98508c1c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}