{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241269",
    "entityType": "User",
    "nonce": "0x9104befe7847d00bc788556537207fdd0a921dc66da8a38de7d6ae9b0073c6f7",
    "signature": "0x73037da6615fb12fb4ba679cc96724fbddc7546afcd38083a753235221e3f6526b0c2a00427c2b721f0f5d58b98c49a91958d54e06b0cb9088e9040da951dbee1c",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}