{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3fd1df648a67d5d3d4eace2b76f671dac5452ecec8f35b3f5898e6a02f305e1c",
    "signature": "0x8c41d260f4f57893658f8a579b207115385f534b6164a8e7f32cd8a00af16deb1ef1cc45e4877e90b35e6db648ee53c40986217f76dc27617ac95cbab9cb9f8f1b",
    "signer": "0x05bD373Ed6917f917666d658fb0DdE63a193f9E0",
    "userId": "418640316"
  }
}