{
  "manageEntity": {
    "action": "Repost",
    "entityId": "752447718",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf2d2759f46ff378d1ecc4ee3962fccb9d7bec78c56206a60228462dd453d706e",
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    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
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}