{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326584",
    "entityType": "User",
    "nonce": "0xe0da6b258a10134cb7041689ab0cee25da81eb03fee69a5941af2907bfda4ad9",
    "signature": "0xd3211a1cc495e3c8e99724d65ad2a767b138ed1b066d1eb5aa1bd7d07068aea41b61378fa1c904a5c8f691e39736473c26dcd7468476406c6c557a046032fb021b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}