{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xa27235e5c2d123c1e1a45df7af9f08327838970ce484e65d3116b632ea284dad",
    "signature": "0x4bc443d68556f513ca0da650bea0b538eec1cfaa5df2fba3f0d6134ab1dbe2157793f220a8ef40407b0a258c4f421e30094057a868ded2ffc87c600f8a03c4ae1c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}