{
  "manageEntity": {
    "action": "Repost",
    "entityId": "337874",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1d4ad9b95a24cc4c6e1b910f123514548429ad4b50d9327c6a59674d6ca3b90d",
    "signature": "0x6a0bb901a28aebf352bb209637592935974c1cb6b12134fdfae82b5e75cf092e702979c86ce7b90c9adc60be9478fd6b71a1f7b34f66b3b066b94b04d03c5a2a1c",
    "signer": "0x37C656432bDD87630C13F60036e9857B5ee36154",
    "userId": "288167767"
  }
}