{
  "manageEntity": {
    "action": "Repost",
    "entityId": "657501813",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x54acc6565449a8f49aa495ccb19dd9c0e2937477da90cd9415e0f9a62eb97411",
    "signature": "0xd9a3d300b39850f5685aa9c5cffa572e3025976c63183115366c1557e7b80e4c445ca284293981ffb272c57808b533a5c8eaf5407a9f83e302c3b968ad2ee8db1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}