{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545425",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x02d6d28ef6a0d9dee1b2dfd7d21035e507f1ab2ec8bf9b9bfcf919573414142a",
    "signature": "0xa60780ef31ddd92cd16a954a1f5f029f27d893ac65b573f1a9fda0052619153b2a7e2ebfdbf75d13d6230efc7008ce7ab3a0a806204609ae399a2d589aebfc3a1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}