{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28393",
    "entityType": "User",
    "nonce": "0xf6696f0ba2897ef0010f91d0d9ce087223ae86ba0f36bb1bc718241cb6639ddf",
    "signature": "0x897fdc513a5571d2da3cd6cc10cf93de01cda7052e1166dd96a9c70fe6e4bf10731387189ee4a6dcc53c582288d35ee33c99995a4066edfbf911ae4d27c9f65d1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}