{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1511404238",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd065b1275317548cafcc08c5a9fbc1a0f4902a5ebe7a9e9be278f4d275efa80c",
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    "signer": "0xE7CBFEc5b376a30FC2f4ec7F7817de7946725b29",
    "userId": "915456723"
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}