{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1559641448",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdf7fc7c49ec063f819cb8feebda0d7caac87b80ce69a2fec14cecd750ce82b5c",
    "signature": "0xa569f2c7c526def03360cff372c7221925cfd04152ba7a2bdda65f80b4d60cd177849fb312a00dce33d95e3de0dd60464cd264e3164f52dd98b03e6df3efa4041c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}