{
  "manageEntity": {
    "action": "Repost",
    "entityId": "339529",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x46bebace3ceb61c46c15cf1da1a3be38d0c8511cf38fa76aae63dc38e959b229",
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    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}