{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x30096cc1c27beb7b5819ccb5f2cd6d9bb74b8014803582f00e47f3c040b2eaa2",
    "signature": "0x90407e9c719e2bf398f0b27ab4ea4ece4c04092db960ea1a0f5110303fbcbdc11afd568a80e09ea6fb91eba5e4cadf1416b8fa1ba64c9107e882561d05f2ede41c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}