{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x45163cbfafe8408e69e5e94c3cec2a731cd01632964beea3b2a25e578a3421ff",
    "signature": "0x7330b58b91478b7bf1ed82f2fe2afa32568a620108711062370d9ca58710bc75671ef8d8db4482366a2fc89da04eb3ae9092653d258257253e8f4495990068ed1c",
    "signer": "0x7B0C8223b73b88E2ff71FA991cd22e99D81fA154",
    "userId": "394678487"
  }
}