{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363986",
    "entityType": "User",
    "nonce": "0x0a9b20ece820026ebc14552ef4d8b19ad854bd5eafb412d7c8b70a3ec879906e",
    "signature": "0x17c351dfc1556b5924e353174a3a5d78e1d60281da1a7802f447943af36dea3a4ad10a75fac09abec089335d2f9bc6d682f26a2f381cc7c0c6aba892e82930171b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}