{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171877",
    "entityType": "User",
    "nonce": "0x2ebb95aee79788540bb28e943ae186346c909f9c52b36cc132fe48368b18e799",
    "signature": "0x3e3d53858bc0ae6e97834ce51478ae3a5db1ccb9832ec69fbb6f20c0e436bdab3ad580db5ba12518b96e138298f878f3fe1b53e0c4c5c9bf73e5eb797f65cd2b1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}