{
  "manageEntity": {
    "action": "Repost",
    "entityId": "212896575",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc91523ba7c65a14158995db00c7dd2acca85af5785940d0097168446b2b7295f",
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    "signer": "0xc9F42c6119b40cBBa0b55a8835FA9E88A1c69eD7",
    "userId": "752258468"
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}