{
  "manageEntity": {
    "action": "Repost",
    "entityId": "851056216",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4208d449ca97bd6dc69cb7cc3d3eeb7beb6e285c9d3f4834d688bcba38b1075b",
    "signature": "0xd0458731d6a93819e5a1988078b339019a8203ae806ad0eaa6abacfd496b925573cc3505f341a9e28a6825f97445a1e575b812281b2b61daff4f4100ed96eb9d1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}