{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x51e635a94ba3cf822d5ecd08fe8e05cd41e467e2d843670d2dccda9231038423",
    "signature": "0x5b3dae8cf76f1fde7c60d3f39c623be02ea37f6e2d1e8054034c5ecc3338641a498ee519218c29c255470966938a9acf5888ade7793b0a9881ac712aa29623f11c",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}