{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321930054",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x61c9c9b0ee7dfd5d7ef6dd44d7072cdfcd1915e6d0cc4eb37d8f277212a64a12",
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    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}