{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1421341939",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x610805a866e0f14175e482ffae5ba9eb4e1da0081f9ecb491ace8360edb036ea",
    "signature": "0xed3182888572ad40b4277e85f56e0c441141c1f2cc8990576bc10a30032d63a14563ddd8ae9240eae070f60a1c614ae03e54537a98fd0ed3dd139fb860cebc7f1c",
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    "userId": "77551267"
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}