{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xca93ef594cbe96d80ffaf98448159834a8300f2a43ce4240f4fcb26978a1e907",
    "signature": "0xf7e0ea47ecbf9c66612731d508c65afa99ab26f0b52b0ded4c629f3906fa31d22ea362fd85a22c2be7bcd6850c0097e953cef0124dbfc83f74aace278d2e8b8d1b",
    "signer": "0x932fB57145D18a35DAF164Ac38b6968F8c0f986b",
    "userId": "279642286"
  }
}