{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490168786",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x16db1e84e800869523aa9895ea443cdfa8c4bfe7c73ef3b96f62059130f1be34",
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    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}