{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6d35cf195eedbd089254a4e28df44727194bee0bca4371b3d32ffc0349934c7a",
    "signature": "0x94742ae7df401eb8c25c2d543308705215f3eae95801b93fe3b5ab646c90bcb74d3ef411586b3ed11363a2c087567ce66d740130c59b979f335fc062621469641b",
    "signer": "0xEd03811A953FcFAf294E1B9B96338772B0AE76A5",
    "userId": "827297494"
  }
}