{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x0ce525e3b52ba277fc18a50a72c7f1dc39601fff1e16e8f9d0e6307db59fd95b",
    "signature": "0x2d5bf5b1755ade49f9eb3e8e0af4ba94f68c2a40a25debac042336801a2607e27174b373a33f7d0e7c9a06b570ce5621c3b5d7316d32d24d19546bef39acbd701c",
    "signer": "0xeB77b6E9cC52B8892717c003d884EBe11D8fBab2",
    "userId": "946443800"
  }
}