{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x09f9d65680aaadd91d26fbbbd1b0c351e027f75a94dbd4a592b51002d18d2a0b",
    "signature": "0xbe4d109a92a7622014c188b9bf8484854cb228aea9230ab4c97a49e03560eb6c596a8f10cb9bfde73393c33e8b5680c97611eaa67392a2d757893c37963d22ab1c",
    "signer": "0x9a0fce0dD988cf6e406875F1Dd1cFDE377959EBA",
    "userId": "620773123"
  }
}