{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1421913096",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x391963883a6ab81711a1f12bc42afa5941589ed447e4e5cfc0d85208f950af05",
    "signature": "0x861cf5362e19f73458a7ebccca5e30692c037dc2f0fbc79b2ea735eae44f6f3a3f40d2bb6101d1fc2ec18b941c12824bf40e04a7eb8dc4c5281df16c27c7a6f41b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}