{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348772",
    "entityType": "User",
    "nonce": "0xe46e8160872379cdb66f5b150d2f88e33da9ed0b600b4db0d1c495ced642282b",
    "signature": "0x7ba69874bdb0b6e758371c7b7d49c851ff40ad89a68bf8dc29b30dd93eff92e14ef5862f49fba3dec59ceb149c84f02e06748b112006da94b767c33b1e9a0a951c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}