{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786450903",
    "entityType": "User",
    "nonce": "0x1f828975db5932aa215427d593cdbe3f5d3417dbd7bd95d72877420c8dc1adda",
    "signature": "0x4ece52f83c5e5f61434f9066fd0a381fb373f6b431da46e95d20e518f53fef10045f457afd656d14770973056a6fc97c45d1a09b21c036ebd6c740e86f16acbb1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}