{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116500",
    "entityType": "User",
    "nonce": "0x4a66b4f68b0afaad528bc2ffdc2f6cf7d6a756e836b673944c384dd267c31d7f",
    "signature": "0x5aad2e18b49923eb7b0129e46a834bb81aa7fbe6e1bb5e9a8348eb7abaf0e8ef2d842de4b775e07cf159bf737b1b54f8bbdcf5c2e7e7358b741c2c286dc3e6441c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}