{
  "manageEntity": {
    "action": "Repost",
    "entityId": "855083886",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x64e0622b3bfeed3adc2836934e8b1ed1f77840b24c197441bb3b05bc1c8d5191",
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    "signer": "0xC1Fba336636A9a4b277179ba56518e189C4F63f7",
    "userId": "250198"
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}