{
  "manageEntity": {
    "action": "Repost",
    "entityId": "637321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x176b8788dff09974fa09e7475617672956e90adfac55bf125594739ea6cadd8e",
    "signature": "0x459b81aa7fd9ae6206d0dde31746bd5750328b9c4bc43bb7ec4ded89fb7006b43d9ac41f3b0cb871c42c5388a42086e0fd38643abe12854732ed6091cdaea9001c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}