{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384670",
    "entityType": "User",
    "nonce": "0x6e748c0b6bfcc4d02d953a589f16cb903ee28bfae30778cf6dddc6aa4d413ac5",
    "signature": "0xa0944b082a184104c585e5a361b326bb0ca4cd3f4fd1ce5c784cd0f447bfe38e64235d9c12d9cc53398f52d1253986cc95321c19c6c9633bc7e49c2b2348eec61b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}