{
  "manageEntity": {
    "action": "Repost",
    "entityId": "252573",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd384962190604695bf8a7d2a8f9a50ef96be44cf416d8d92210d66761dfacd95",
    "signature": "0xfd1f246633bf73e77cfd163829fb1a2af79a9e97224d260170348e52a902d8a936631780c39a5b50baa9d1eb000c8f3e7282409ff54c21009faec33a2bd929f31b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}