{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2e7d5bef9bdb88c496d05b986ed246fed81bf1c07e877ca5086f3ea03f756af5",
    "signature": "0x8624ce6cb9f66d157a2c9aadc37bf8b45c540a952590ca28c02d9a7e2457d99533ea4212031d375bfd3b098c4c538833c552c6e41bea2b40b49af4388c1f18a41c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}