{
  "manageEntity": {
    "action": "Repost",
    "entityId": "100007454",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe31a3c1ddbedc7d6cd18de2ff62b077c5601a9e9dfb276711fa2a65757dd5647",
    "signature": "0xb4bb18269bc2cf88c553be135571c7b72662cc959511b9ddfda8727b08c8cd647d3a3ba7c004366fb5d2cb6f06a8361b6ac0836d1806c90cde6bee348e8cb15c1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}