{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381286",
    "entityType": "User",
    "nonce": "0x882d552bc29d7b2d2013695f8ded5e3c314421526bf5823244a8cddf47a3c74f",
    "signature": "0x7e2e168de4058e6f222d06c7b6f54735971dfd71572cb316e85cdba96d390a675d553ea90536c8eca91c233613d387e4973ca1d996c1cea78c9ea30aaaf8a2411b",
    "signer": "0x02B4d5531389E17effF879c0eA41e4dA46374c71",
    "userId": "117832850"
  }
}