{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xebb9fb5be49efbe7f9b307f537d5fda4312111214e088e425d7e3f9cb1627a63",
    "signature": "0x4db1b3d20ba20544f07f9bcf8a748f8828deb3e550cb31f7037c893c99e0e3f73559c618eb1b8adebc4eaff941df9d7213bdc4b99f399c5b76146316bb44e0681c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}