{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299279",
    "entityType": "User",
    "nonce": "0x35c7b38fa657cff90a9f5d5ffca9a1cbc905e1d5aafbba0bf18c0c4bff1938d1",
    "signature": "0xb2bf05ca343eeeadb99279b238cda02423669ca691fa26f8ec18e1aac5b1dd0e4489ca72629a2d7ffcd2ab4baf125510a705eb30dd2841ab4f6e1d0dafd032351b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}