{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923551697",
    "entityType": "User",
    "nonce": "0x6ed6e8dd0803141a99aa1f89cf927f141bbabe9b422ed0434683acdf7294698d",
    "signature": "0x840e766e250f75aa6a5a77764d22ec71709664d42579d2e00be85b521078861073ce328bbef0186f186d660f728b2287765c8f6a5e60130185a5c1c2bffacdf91c",
    "signer": "0x11cd379D12F9a2c7BAaE2f74F1914A8c50faF2c3",
    "userId": "387949683"
  }
}