{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600704",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa1c802ae76c7e2994acecb9e0405e3ef4892849f9b3806cfff6a9a5c5a9c725c",
    "signature": "0xde032c33d8b73d6457a9bdda62ed125f9a2235148746dcac66fb4b60c27d7dc1411b22077b061db7587703fbcc7689d1736690254fb9c91006c0c6597ec3a7091c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}