{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1399872458",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xca258fceb8508f66d421d46755dbd86a07691d0588c16beaf3827cf33fe0d08a",
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    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}