{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640678",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc66586e0eb6209e57730f045789f711597fa9a4edf2fb49cadf74155470c952b",
    "signature": "0x3e8dae171ab04919e3cf82195370a38dd239cb35e46d9cf6b5ed9e48297b1e04617df4b688616dde27fffab59b203fb0e244cb5dcb835b0144e187dfedce9b4a1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}