{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1004916",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe6b4d3552049ce056ad7bbe7f1fca686d6530be18d7fd3718b54e3ad519ec475",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}