{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17074",
    "entityType": "User",
    "nonce": "0x52c4a5636007efdad4dc05582d4813eb75d3fef7f9abe0d3c823bd0d7810c7c1",
    "signature": "0x71e75948347004217cb2ebd4cc7c348352bb498ce53b8af9fdb9d9745ad3ba2303518eedafc08f5807819f0407b28273e3d3711aef75929b9281f9ebe231fdfe1c",
    "signer": "0x6135DFED4766632f3E2e097527cad142835825E1",
    "userId": "312072568"
  }
}