{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1339139491",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7b75686ad8cb882441394c4e7ddf552589c733942fd6c6dc10cee30a4eea1978",
    "signature": "0xdfc9e2e514d67c2c04adadeb85634f245b6e2bdb2536433a5b41184e109f580b385541668d1dc1e2c15fc5e778d27b930cee720d7d5dac831e083ca0fac2655c1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}