{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293976821",
    "entityType": "User",
    "nonce": "0xe1dbcb537a7513adcc1de9b51601a4c0763e791ef6db0776074376c97704af7c",
    "signature": "0xbbff04ced31d5482c8b32f58f2dbc60651c169dc7de475394607a4f45ef9dba8596dbdc1d1f3e0d31c40d3ff58dd27a843efb91fe33bc4c16d61ca31a817b2c61b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}