{
  "manageEntity": {
    "action": "Repost",
    "entityId": "299841646",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3f54dbb87bba681e7919de351b7dd7ca6e019ab315341d54848fe9340f76c96c",
    "signature": "0x6cd4725326aa68ae8815f5addb00f3a7d8c11f0ed3289fdf0dbe1416ed0edd3a035649d528109dfd279c6b443408647139f29e159c2f096dbc734755cfc984071c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}