{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509850606",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x666a831234783f977f04b839a24919c214b4b0a95f800d13eb9970eb92d79ed6",
    "signature": "0xdedb43102339ac4cef7ac480d99c312c40193d09b6318d7a92b6d743e9858eea080d48d7d6834f2af8c5d315e370f56793dd495b8c6b169c4a40d636b70964f61b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}