{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574575819",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdf2dfaf6a744bb51fbbf9766e2e2b998f4cce601a66b6df68b176f430b03d4ad",
    "signature": "0xf5f8c7b6286807956057a4b372a158dcd723c1f1169b6853208d10da7ce4a01e6c3f74f61ee2e7bcc12d0c12ce46a185cdc7493223da47096317ac83af488d531b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}