{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112454",
    "entityType": "User",
    "nonce": "0x2dfef949973b02c6b7b679c77d3c31fe9d4f8a62852318728aaf29f104345c36",
    "signature": "0xf35ec31ee0f95a37683f0592733bae0ba0a083923443f391f0de098742c5832e5ebc89e2841e7c96e5f84991e695078ab1b2c75696c3c3a3d88b9b3a2e22ca281c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}