{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29907",
    "entityType": "User",
    "nonce": "0x0f615d3684b20d6dd0acd9fc4d5e5385f489829929e3bce94a55b08b67ab557c",
    "signature": "0xd48f3ead0d9d32ea55bb10d68807f28a4945b500a85c99bfa4769a7d8745028939481a9004d76ff430cddfad8900893c3afc1b7fdc4e8a543dff7ae8a9d3486e1b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}