{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489516877",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa89129deea3e327f1bf0b516642bc11f87381e606f7b13a54db63a28ed859e4f",
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    "signer": "0xB28c3e71Ce63Ff378DF87C1f77d4F79d444b5E98",
    "userId": "92529900"
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}