{
  "manageEntity": {
    "action": "Repost",
    "entityId": "738126769",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdda45d211972647d4e63defb37ea92742c0972063b91019e9f6c356e6d03e0fe",
    "signature": "0xcf26fb73d578c5d384ed3a9a77d689f55d3131fda6f03faf0d6a65c58bc31da5062b08157bf0ab16fbde99d7393564b832f43f6327e308f97521cbf07fcf6d861c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}