{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1445469178",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x164a76764cd38ee85ef8e02e8e8f67ebbe665c1f6afd3125ada188a358dde510",
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    "signer": "0xb51B50C9b7d88C66d31539161F4BA9Dd72a17dF5",
    "userId": "465531556"
  }
}