{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74705",
    "entityType": "User",
    "nonce": "0xeb54bf436740d9d20b9503f4d747161044d5870883f27a3cafa9947108a84b28",
    "signature": "0x0d98b62ce8e2de6ffeca9f4a1ed4a9c04874e2205f372583ff1197b6a519698e1f62d3548ae7f4efe3f815bd56a59ffe440861a0ab4a9fd38b7072caffd7483e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}