{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450449",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0de8c12a769effb57cd6dc8d0b081309b805e6b7f302aea933a340ad4d47bced",
    "signature": "0x4dc8e4946e5e44becba06079a025ce5bda24ebdf8f48515b956891b4a76aedb7412374ea42d06b59e61ef72565fc47120d7aad12f7eba01d3e3089948922ec021c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}