{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x28ac9cfec24cd5c4926f5a81e95350890c9da8f5f3e1e0ad6b53faa9722150ee",
    "signature": "0x6567934beee197f75e1eb8ff46c641a316c992a9371e1200193e89dd3c1c8aa0611d5d745aec7c9028da07dc5d9916051ed7eb93b347b20a8cfbe3e8c26422561b",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}