{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995293503",
    "entityType": "User",
    "nonce": "0xa841621db991f3d79aa1ef51df732d0e5ef5dc55d62b07b7663eb62b61c1b3d3",
    "signature": "0x9035e45c3d1aec7552f366592274f3339203fb3401bfdf9831260e4c9cd2149d65ac7002f7aa4f617b6c882b56735a83c6df3818adbbeae4c9ba1108f1d2440c1c",
    "signer": "0x344Cc6Cd6326A3Fc46e2f789e02111af483Df673",
    "userId": "980331"
  }
}