{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545893858",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x58a86f47edf989442f7d0ca56ee5621b6301631fd9d5e1e812f375c30f53b944",
    "signature": "0x1e715fe36dc7555896a306b444aa294d11f4ebc62dc45630cca7002ec27d479717d73cc998d13626837d7407bce35280850ebea9211726ccfc94c081a794f5c81c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}