{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "992135879",
    "entityType": "User",
    "nonce": "0x914fd5e226e33d6da13658e53482e28280404da0b43a7bd62ae6bc602d7efb1d",
    "signature": "0x4c865d19b0029c7d245cd3eb446868ecdee04a1e9bda3357b0b8e913a58083f47fe7bcb174a354c7aa74d37de9ca1a3d4dbb70c73ee06516ad784d643892b7b71b",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}