{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319704",
    "entityType": "User",
    "nonce": "0xb8df7d9cd4f18f8fa7eb5696237377fc811a19216c5dfa48769bc64cf04e6ba4",
    "signature": "0x0b4df7ad812c53679fffd2d02578e90eee643cc3f789e74870567e1e4aa7716042d97ff29272433068452978ea329271bfb7ea649a9b6746605d302d91439dc71c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}