{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73280029",
    "entityType": "User",
    "nonce": "0x669693214036e85225f362d1b09c3db109bf4617ad983fb437b85170141ef90e",
    "signature": "0xd6cf044feb6b883b332ba917de83b1501e5031aa60c6e9829d344a0db042059022057f3b50fdc7e15347a0539d91110ed52645cea1882f05a883a531647d75821c",
    "signer": "0xDcd7AB2467fbFAb4CEa0deB7C00C86d5D89347cF",
    "userId": "897512779"
  }
}