{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1900440472",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7487f447fa67f63648889819ecd602922d99378cbfe265976ab4e0cd67c43485",
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    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
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}