{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319815",
    "entityType": "User",
    "nonce": "0x271895fc97e1944cb605c70ff147f845ffe0638fcb0e48c8ee661851e428cf12",
    "signature": "0x271545df06c5e6f8644712fd9ef8f4ad66626436d2763324baf1e4a3b2c00a9d564ad255d63565066bfba909649aedc5240c41350e31d167228eeb3c223b27b31b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}