{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50097",
    "entityType": "User",
    "nonce": "0xfa81e5571d1a0a22b1c024a6179fe46be66abc55339afd0ac5a8a70c10e2462a",
    "signature": "0x8dd0afd4367ba8f248818d8883427e150ff69c12f6c721dd29edf36c50f554eb5c79ddf14e465478ae91c2a03c1265c443efee4c71f756ab91e9242067be55891b",
    "signer": "0x7c5233DE7A8aD918D090BD36cC8C0e6273814D60",
    "userId": "559710456"
  }
}