{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503249608",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6257808f92ae07643f10085c69b3da06d8d58a4212ecd9a7e1266d7e0a87eb52",
    "signature": "0x649a60975e63230bc61871c8d30b85975cba6371a5508fe9ccc12d6899be58dd32d004e14ed252840181e0810704b7fdef7957f5393921b9b069cd9b40daa1671c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}