{
  "manageEntity": {
    "action": "Repost",
    "entityId": "840341833",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb71618f12bf818cb13ea9e57ee233eb98ecffdd45a470f22d0473b360c59f7e3",
    "signature": "0x37793aae91c0feffe932d86ecc3e692cae879b9b5a26df7ea218c0d3a6efd17165970fcdd9c55f84b6805106d29c81f7b2b179eb564876e19b43b50db8d5840d1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}