{
  "manageEntity": {
    "action": "Repost",
    "entityId": "390224593",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x42a5629f8de91585b27a5ba969ae4ebd45276b0c26a6189a3d8ef37e4d7c4a01",
    "signature": "0xd03130d05a26c90f441be137524c34d0de111fdb4e48555e9202308ac5103b1d4a608f69a535569b2249163bfd25035de03b6e822e5f9fe40fac834f9ddaa9f21c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}