{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1434578316",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb103d3406baebe566bd40ab061ca49120fff940daad8de460a56ab26bb57c2de",
    "signature": "0x51eb7eb2370d1a49dc6939cba57a65c846a699b2c3029e083d72c9173091cdc74002a917476e6e203d9892972bcb2e65a38faf96c298d42373b268bdd4af1c6a1b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}