{
  "manageEntity": {
    "action": "Repost",
    "entityId": "349408",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0012381cc9010e0a72c6e5f096a43d7452558c43769ccb4fd969c61b344aa592",
    "signature": "0x7d1856fa9a0e60373a323a5d01c156db31114f1b0cd2ac2c186a1576d0cf91ba4f7128e406a4263cb342f21c7d4003f0a09fa61943d03f77f50b747afc743f8b1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}