{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x9a2de5a3a6a045329768b8711db704996df61301a2d8734f97f0fa6691d35d01",
    "signature": "0xa69c1691677a77720ddb40dda73be2f26dfed1a70fde9b9bf4d6a7e8903721513715f4b86345a38e01b5ce91b284692649caa54a5c42945fa6bdd0d6f8b302e61c",
    "signer": "0x07B2c029e5E8D2242Cd4B484125f6977573f3bC5",
    "userId": "662063117"
  }
}