{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428908707",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8dc85e9d30ff2a33163f429781eb4ee90424de1e459e0c88c224f7f8bdf7df81",
    "signature": "0x7f90d2c14a02ac5df4d99862c617e2549e6f137d4492e7635eb8e97f6e9488940495783de492025bc4e3b64ada0dda035f13c914a1a6e3796f55ecfa104f4a2c1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}