{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161789770",
    "entityType": "User",
    "nonce": "0xf38d98f83f8a63e12d25081ef82f3b5d480514ccf0cc4b7a1a8c2f8acdafa0d2",
    "signature": "0xc8b56df204d45074dab3088c77bd93e39058711b031ab20aa0ef1055564b6bc779a81ebbb213c180365ce7971bbd857085984577b142c9f2969e7675c1d08c101b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}