{
  "manageEntity": {
    "action": "Repost",
    "entityId": "689497",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xff28a76e7abbf13088d3a69d36cc64c5e900e2bf0534d7f376302c278c310441",
    "signature": "0xf0f272bf05f2467141a4f4ac2335a211052dc17078a334196473c60345de64a038278792ba93a35febbd589e7140449888dab745b4c8bd3a4e41e52dc11018b31b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}