{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0x2d1cee9e838bb8fa0187115858d8ed277d6f5792ae5e08f1d3e50f64ac302a41",
    "signature": "0x0be1f058b7108632039a4b4b1c9d557632102184dc278305d5e924a12bbdc2de16c032e76146a70af3b4079e1710a2bd2ce6b76fa00fa7776116ee343a36db901c",
    "signer": "0x62324Eb72309F5d66CBd77B06173F034B71d7b85",
    "userId": "23238037"
  }
}