{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x4a108b25b35aa6c31b35cdc7e81e0092c96504a09915dfb8aa5e4c18b5cc1b0d",
    "signature": "0x40a6de9977ca8b8bdbe38bdfa8cacab2930ea12707e17e9588442cc21b476cff3d5f784581e40b5455652416b61f5ab5465b6f46c7582fe79636942bbc4034c01b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}