{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1261555916",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x448c5d02af289e942680d79151605d7448e5be2895fc09972e13a325b7f744da",
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    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}