{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383846",
    "entityType": "User",
    "nonce": "0xe66ea49853350b4ce9e8aff2bfc6f668e18a37916e19d4f8ecabbeeb61d5c3b6",
    "signature": "0xaec0268834efc9c8a9d526e345b56a97809307f651c51c84f72e02e47bb9bff6539684805decd6ad453cfe302755d503b4493a5685371a16d2bb8f38f30676471b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}