{
  "manageEntity": {
    "action": "Repost",
    "entityId": "660138323",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2171830472f9c44455681fd1a3f921bac896c4cc9f4a549be6d9f04ad401787d",
    "signature": "0x390a7080942bfdc68dc8ec4bbbe81faed03790dc6a37ffca3ce1b8dab6a2c65c411ff281e7cfc7d9e39832cb38d6249cbf30c091478e171c617eafd790eea3a41c",
    "signer": "0x3dCA4F786a1e64C4c6ea46dbB67Aa793bA7Db05D",
    "userId": "19387738"
  }
}