{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1504868143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1946b1e05cfc2efeb5712dcae1458f7411796dfda2ce15f990657710c362c654",
    "signature": "0x8705faf467ed39114bc3aab2ceb824e3b971aaf6208f22182caf19d9b8b8289863c7bca09bed5e21a64b46c895b6d39a13da25fc4c5a54075bd1a0767315bc811c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}