{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0xd0f2fbd827ec2ed414adf3fe2297aff8d978862f9151327d52c5a05c02f5b156",
    "signature": "0x5b78b28509e212b414990b5f23a35ba97280f75bd424290bcf3c9e25689d8aaf1ffdc49c92e81f0b7657fa2a606a432ebc0b1a8afcb9832a97e4520c3fa503e81c",
    "signer": "0x92ff18F46f3E7F4f450c570590f93f50E60a9925",
    "userId": "522564756"
  }
}