{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621351852",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcc112b4858b41dbda7dffe38042a8f672ef402a40245fa31cacd7261ad664fb3",
    "signature": "0x72392f41a3f53ef40ffba28f632eea9ee84325721fa2286550a125c87d80f12920403b8cc7efa6b6c3d9028b94341f597f654f73ce0c606036c2289ba4198eb71c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}