{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0x8dd947068a8ae936f967be45338ae1a856172ae7801cc804615ab153be4f5eed",
    "signature": "0xe6a4936082178fd0e153b50a122c7aeab27a8ebd34a4104c6345810ec7b6709756bbdf16a8c385bab8adeb26a6bd385f2e117762270d6663caaeef4577e4b39b1c",
    "signer": "0x8bD50Caf0D290982E2705EBe89ED8fDCA620224a",
    "userId": "392289893"
  }
}