{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396953",
    "entityType": "User",
    "nonce": "0x27cfcfa30036ee8626386528e2a3633030664252c741c2f5bd01bcd43e3d5739",
    "signature": "0xace33ac2a76bd02ab037b3afda95b907765b352ccdbf72ea898ee80c3475096f71e5f28add6fca708d01aaf6445e5057e196b9c4bd5742f1eb0158b2ac8249491c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}