{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578914561",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x570f5c32eff9cc77d381a11be34dea8c1d3f4450e3fe50af807545af2ecbb43d",
    "signature": "0x7a9cc326ba412990aa3bb786a6561916a0a1bd6796770b62455d55f38d11e8f14b60c0e0fc4d449e9f5b3c0433766ebe898c4001c280ed23ca13aa6f9e239ff51b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}