{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42292",
    "entityType": "User",
    "nonce": "0x484b40415c8695277ab99dfae9a729b049bb0e10220f96cc1acf2372b442ef6e",
    "signature": "0xdfabd2eaf61832cb5ef090238e3b0b4792bb345afac08cfbf08a0c3d7daa7bd9265d155a5b2437015c2fb17cb00e9a19cf5a0628a4a52f82cfe77aca142ceb461c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}