{
  "manageEntity": {
    "action": "Repost",
    "entityId": "783609748",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x638351b0c554e225a9b5726bccad1e3ad27857c5f20c99074c68e32988ffa3af",
    "signature": "0xd9830a479a830b0b98a1616f52ccae1ae6d85f350f57c31dc264e0bffc356938692980b0eb010919e668851fa4b8c8a93bbcb0a2df99e62875d036521388190c1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}