{
  "manageEntity": {
    "action": "Repost",
    "entityId": "867456890",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x02fdb1983fb71c1cb932aa3272e66a1f20adbe40b975e68a7306737b03c90b41",
    "signature": "0x3487da16a25505968f7a2341a4191a9ad6142c441a38237b1387ffca6e4105e04decef9ef9f53abcb524156b3406e88a48333460bdb330f7e36fcfbced65e4c31b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}