{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1521986543",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xda2a3cacff0cd94256df92f2a06024947ed2cf2eafec766ad4c2038f6e1c4dd5",
    "signature": "0x0f0e959076b1a4b821de92cabacbf75a126ca45a27dd6f369152b5e004fc060048324c276a9cfcc260c49d5ea4a11dd97d004925baf8152f14c68359251bf3091b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}