{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58979",
    "entityType": "User",
    "nonce": "0xfd17297fad6d3cc27a242fe3ca81d989a3ed971fd6ce252843cb80b4881b78d0",
    "signature": "0xe0215360b8577fa20ad72a88a44d6983f1631f8313ce970fa8e9a449175dd88e5dc18c64a2be39ea71f73f94a6e6b7bfccd9a868af2b37c754172c8c7fbd53531c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}