{
  "manageEntity": {
    "action": "Repost",
    "entityId": "728409",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd7515cb6e17742c2bcbf9188bc7574b9d84cec0e1ce4c9cc659f20e93b327cbc",
    "signature": "0xf52e89f19e933061aea82c7ea1794e79b61c4b559beccadbebd53161124034900b883d8c39c240b53550a1679e56cbe55561b5f58ceb4e87357ed2f84c1490bb1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}