{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1121864",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x569de576c9104714fdaa689fc5fe8cd8654fb46a2414999bd8d1ae6e4328d009",
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    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}