{
  "manageEntity": {
    "action": "Repost",
    "entityId": "837394686",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7f3fdea6c066f7d6a50bf7b44e1e0e2e03572ad5bc25df028a0bbeb0de408125",
    "signature": "0xc7e919bb9f067a0000d74c184ed888795724ddb3c1248315069be76f33d84b67439d83502ae738b1a5603dcc0a57179af85e883febe135d3343af0846f41578c1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}