{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578337292",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9421350c7177f6ca4ee7a7c92ace6d155817168f96d372bc305e976e463a3ca2",
    "signature": "0x2e18f0064ba7d7f4f24489b63240d86a773565fde68ffba762223720944a90321c0bfc54a506a7f93422a18239140d968a8312989a00aa6dda85372f41a2fd3d1c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}