{
  "manageEntity": {
    "action": "Repost",
    "entityId": "768749",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1e9d6c59716d976fe4c9528c1656328acbbdd1b9286af09c94067a13ab0fdda9",
    "signature": "0x5547d1d18aff093ad2cf06caea85ccff13dd27204acfb5d4cdc2b0fa14f228423d8ea4cfd814af1bea6ee76e8eee34c33bd0bfe02b46d929f2c697b1b54e6ef41b",
    "signer": "0x4Aa8154A33F33394BA8De574d71aC98Ba6A47D5a",
    "userId": "645720561"
  }
}