{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "382030",
    "entityType": "User",
    "nonce": "0x16c2a8a890fa6160187c87fa2aaba039afabdec389ccd78d8d90094fd3700f9b",
    "signature": "0x559912acc057c70f39be73c27dd6eaf19bca0782fdb35f32a5ea0f17bc85ca38613668668fbced980188c59ada7ea3307f268c81d3f8f63846fdf1bf2993df651c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}