{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152482938",
    "entityType": "User",
    "nonce": "0x66e71cedb15bca9d6fbf5bdffb7aa55ea816809e41769fbdb713acd88d0ab2a2",
    "signature": "0xe8ce7fba52ab2dbd77895f0ac594a1bbe39efec1bed5b3fbd0b9547b5b2f2b75367f90c22969c08ea1e89407cfd815737b0b2798b544951b143630671b74fe111c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}