{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "2070534410",
    "entityType": "Track",
    "nonce": "0x7edc2f967158156a4661ab31698766d2418e17374e773cd6f2c7cf9b7dcb51ea",
    "signature": "0x2215b3b87cc8646948bd5857f3f8e011c1aaaff3aa7940adfa91b1ea9b9115ac2e51f5669b59f3e8a5ec84e0a44bd0e3b3137117e08f319c9988a1cc5ed539631c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}