{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154589",
    "entityType": "User",
    "nonce": "0xc0ca35dba22d2ad9f8c4cac76d694280d25fb40fea7b7927bbd33029089b5110",
    "signature": "0x5071b431199271a026ae0d35f0b1eff448500402b33a024d7d2ec189cff4113812aabc272d54c201c92b63828024b1177c58f6bb96fad6b1d89e4958e875dc411b",
    "signer": "0xca7c61d7Db568b81B8A952B917F45dd863B736F1",
    "userId": "144109"
  }
}