{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27068",
    "entityType": "User",
    "nonce": "0x121e1a064006ababdc70ec9975404d04af959fba443be690c5ffa6d49eb6ed91",
    "signature": "0x49d8e5bdaa20e1bce5be7bf650f4807932d20b3f5bdd409a0c96d3f5276bc4532097a30374b23426cfcb58b759b5191d6bcd6e82c47b662ee1962bfb8dd52f971c",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}