{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1547555594",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1f8adce208c06f29acd2bd1526b7c6af70673efbe0574a5131c5402dbd4d81d8",
    "signature": "0xd142eb0ac705f3a8a2ac15d6b2c2fb794b85038ed485f36b67ce3e7f19d85ff460f79714e5f426bfef459322b5c83494f7ea962ef75956d7d95fbc25f185fd5c1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}