{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644642",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc0caf44232180078a41cb690ead131c75411ed7eb4fd37b0a381ed6894c30b35",
    "signature": "0x45d6781924c84fef8bee24d4c2452a02240126e27e33e12a2753e8e9128b3feb219134ccddb00522b55b8639c088d5d8989698951470849070318bc5b0fcacdc1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}