{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0x241fec86ddcbf5cdd3b7e2f89c57336c29e71ce7fb08a9371667e31720dfd912",
    "signature": "0x8a2526e14349ed5310cb682b2e52d8aa1f3a79f57a5b8c34de422d4e4e9327952a9061a71163ba72cb5df7d09d867d4c984cbf9d28982a14b74da613b69d0abf1b",
    "signer": "0x73C69e0c0a50f0E228106C863e362C350a86Af87",
    "userId": "190031"
  }
}