{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42614",
    "entityType": "User",
    "nonce": "0xf6b6aef67559136778db83673d74e8d8d39fe71573b2c15d9f44870c9b908a6e",
    "signature": "0x0b720acfa5fd27613cf8d296c6857356f06053567f977ed29be9f1ad70f0000d37c21b1a2d9316bde9c6167e68d0a9209a9d5b4f35598fb0a9f24161aa47050b1c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}