{
  "manageEntity": {
    "action": "Follow",
    "entityId": "21640",
    "entityType": "User",
    "nonce": "0x574daef66be1fa690144d5c61336dcb59930ff56fc04678cc6262fc2a607d6b4",
    "signature": "0x9450e5c8eb1d94ef7c9e4fc28657e73d5613a37782613478d56fb6f33b072f1f2a3f2818afcf28b8025965fb2c151a8d4832ad5546cb755a3ea76ddb7804da661b",
    "signer": "0x4cFd9635b74edd6514FBb781B9C920be24A36AfA",
    "userId": "376830101"
  }
}