{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69410",
    "entityType": "User",
    "nonce": "0x572514b84baf933cfb2c22fb7f29dc35007a183b6c32b7fec4e2e75a19fb2c1f",
    "signature": "0xb1e328a980c6b8485590930a422debfbdc5baea8b30894d41552538c3268daea0a2874c9197fc984ba2e0a2d6df149c25e31de748f2de7adf3436af61186df901b",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}