{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74222",
    "entityType": "User",
    "nonce": "0x8d6343143558b7b8faceb5a8290687a6dd931a3b31aa1922ad308007a8bb23bc",
    "signature": "0xcc542c1040110a3f9fce7d094fc70a941bd4b5196e1cc14f7915af345f49ed7c6c53df9cc1bd540e090a2c87e82687e68bfb1f4af1f7a4ba0f7810205c5f9a961b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}