{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6f9dfbe1c95e4df8d10596ab19e764d343c9c988fe7406f3d2ad98c5ecbdd41a",
    "signature": "0x0ab0c6ba10ce9b2bee79ea6827191bd8a174e7f91e5e5ac98f81eaca8b7f4b2476eaf18138b43385597747603625ecb46359ba9920dd6915bbb93486dbc9a20b1c",
    "signer": "0xDB06856129b22690693d4bd362D71Ec67B60a893",
    "userId": "488342280"
  }
}