{
  "manageEntity": {
    "action": "Repost",
    "entityId": "907882061",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x21807fa43fc6c68cb5780c7541ebfcad8c2304525d85ad26e2a90c8313ad7f94",
    "signature": "0xd7eb34501a88ebc55372b3667b5f3969609535ee3c0b27541e0a58cb8cd5a8f80d1e4119301fdb7e1e67f575429ea99d161f0de4b7f3a41cda6dac85537213ed1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}