{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101078",
    "entityType": "User",
    "nonce": "0xcd74ffd343dacdef9b2781a51f5eaf8bd2c6e253c23765728ff6479dfe17c6b9",
    "signature": "0xeab9101451b569841bda5ff4ffce4f198d9c39607194331c169474916928b9de1900e9d3cd4e2bf510b94a87be3448dcb6d3d5fa1efd7b5cd990b082e9636b2e1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}