{
  "manageEntity": {
    "action": "Repost",
    "entityId": "661478502",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x19aef254304f2e77672c355743807b4d1229c2197ae2c6320967dda2d0ccf0ea",
    "signature": "0x0cd29999150dd17357bcec9e83ee4639912c6b9096fd4d016ed3c75028d4ca6b6133b3e3c55c86735932627be623a67abdeebfb5e688a5828d7d492fd069fd771b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}