{
  "manageEntity": {
    "action": "Repost",
    "entityId": "752387872",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x88e99a979d8a1550dabfc002f5f12b011e2472851a7967615f45b6b999c1d3e9",
    "signature": "0x786f219acc526774c4690cbc9db37d0e87719d09d3e4da0b08424a1e27cd102c07fdbc72f37e3bfa9ad7a531ee8acd6b86810f74633f6a274fed1d47dcc6ef611b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}