{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78225",
    "entityType": "User",
    "nonce": "0x209df3ec9a3818a0e268b96c0133f929cd564d01ae69478949de939f3813bf54",
    "signature": "0x65b0337b1e4e93867e76e9957a4d96cd7540bb32955b79fbd078ef64ce0a11e86d064ff238cd731238e9e76a67f3d1dfd64fcc3a5d9ecfa5df568ca8161012a21c",
    "signer": "0x71114Ff581aA73d1F4b6429D7713914f10e8e90B",
    "userId": "894513731"
  }
}