{
  "manageEntity": {
    "action": "Repost",
    "entityId": "4502457",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x00c291e65cfb7d2d74f2834f96150ed5a8a3de30af8859cb15a3b669c7ab4127",
    "signature": "0xd0570347d8b1ed8c2415041fd114af9e0b3a3ce077fddb632d9ea1f28859dfb9594710561e84490920bcf4c728ed037490ace8a6c3c6c7ad30a0fc385b6aa1bf1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}