{
  "manageEntity": {
    "action": "Repost",
    "entityId": "528656",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6641da11552a18d8283d7d8f9bb294c07d2d47e1f054e3ac1e68fe2b6325aa25",
    "signature": "0xefaf1c89ca2784f1f464c20003ec3c5cae93a73dbecea65b3c645ee12f55803874be1131400cf51bdd9c51b7f463030e5ce4070eb65b2102313fb6868b7fdb161b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}