{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe05227ad4ea009ee4af665e431a1ff20a3ced097bd8ffd879fa745bb7958ac90",
    "signature": "0x02dcc1f2a606b2e33b15b157e3ac984ab3d8837e826c3d382b1e37ee0b2ce63614452e6861c17de398c8c06a49b385792fac86c1f0fcf95544a66106be08bb471b",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}