{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38277",
    "entityType": "User",
    "nonce": "0x7fd2d8f4e5adb456611747f4da4db0e1aecb4ecef3deb5804236930eb748d2fd",
    "signature": "0x98c075ef83668f1f4aff33a37254d4d7a834e0aa88949b24b453136a3130a297301ed0456b8fd455e22e210e053267293fa81889d5a80f9c83173f0004742ec11c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}