{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648042064",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9900681d644a2c6f26bf78a12413f3d648d81034e4ff88097567d3b15c7028ff",
    "signature": "0x085bae2dda43019b11a1cfb8ed2a1af0bd4df46d4c24fefbffdec6ff2630d5c2735c5f691532a1b6c18aae0892c45f6b078a786da71ffd89779cd00d3c002add1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}