{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0x2d90e977be4d17ced1bfcddf669a209843236d8077d3bf17496cfe670ff581c1",
    "signature": "0xd64ad46e0da7338f2c7361c05a5cab142c1afeb519d2214289312c1a636a6aee03001c1a5912b095094d02744348750d848d13492057fed92c8a0ab1a08bb5da1b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}