{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "269305647",
    "entityType": "User",
    "nonce": "0x7122a676fd70af679ce61cb9f5168d48e976b406efac83e6c18879cd968be718",
    "signature": "0x5f44b005a3d267bcf3c762da9ef73e20a9dd07a7d5397321a35e696f9331ca340e61e44fbf71083d09dec7408e620cabbb63580ea061cecb4e01455de44267221c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}